Re: gEDA-user: gEDA on windows

[Dan McMahill <dan@xxxxxxxxxxxx>]

Joerg wrote:
> Mark Rages wrote:
>> On Mon, Jan 12, 2009 at 1:36 PM, Joerg <joergsch@xxxxxxxxxxxxxxxxxxxxx> wrote:
>>> John Doty wrote:
>>>
>>> Ok, I'll try, it's been a long time since I tested it:
>>>
>>> Take the LM324 as an example. It is a chip with four opamps in there:
>>> http://www.national.com/ds/LM/LM124.pdf
>>>
>>> When you place the first instantation it'll be pins 1,2,3, the next one
>>> 5,6,7 and so on. But all are supplied via the common supply pins 4 and
>>> 11. In gschem you only have two choices. Either you create a library
>>> model that repeats those pins 4 and 11 visibly for all four
>>> instantations or you create the library part with the power pins
>>> detached where none of the instantations show power pins. This can be
>>> practical for auto-connecting digital stuff to a VCC rail but it doesn't
>>> work well in the analog world. Now you could also have pins 11 and 4 as
>>> a separate "fifth" device. Anyhow, neither method looks professional,
>>> neither is industry practice, and all make schematics more difficult to
>>> understand for others. Especially for non-analog guys.
>>>
>> You can always use two symbols, one with power pins and one without.
>> That's what I do.
>>
> 
> But if you do that, can you call the first one U12A and have power pins, 
> then next one U12B, then U12C and U12D without but so it sticks during 
> renumbering and also correctly netlists? When I tried that the refdeses 
> were messed up at the next renumbering.

Please file that as a bug report.  I suspect that you are correct that 
at least refdes_renum doesn't play well with slotting.

-Dan


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